Don't prefetch on multi-device systems #2626
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Your PR requires formatting changes to meet the project's style guidelines. Click here to view the suggested changes.diff --git a/src/compiler/execution.jl b/src/compiler/execution.jl
index 0b8ae289e..2500b2e99 100644
--- a/src/compiler/execution.jl
+++ b/src/compiler/execution.jl
@@ -151,8 +151,8 @@ function Adapt.adapt_storage(::KernelAdaptor, xs::DenseCuArray{T,N}) where {T,N}
can_prefetch &= !__pinned(convert(Ptr{T}, mem), mem.ctx)
## pageable memory needs to be accessible concurrently
can_prefetch &= attribute(device(), DEVICE_ATTRIBUTE_CONCURRENT_MANAGED_ACCESS) == 1
- ## don't prefetch on multi device systems.
- can_prefetch &= ndevices() == 1
+ ## don't prefetch on multi device systems.
+ can_prefetch &= ndevices() == 1
if can_prefetch
# TODO: `view` on buffers? |
maleadt
approved these changes
Jan 20, 2025
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Implements the idea in #2618